Whats the differance in spark plugs?
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Whats the differance in spark plugs?
I was wondering what the differance was between Autolite 5224 and Autolite 3923.
I have a 2004 Ram 4.7 and the "stock" PN# for Autolite is 5224. I've seen alot of people on here have been Autolite 3923's in thier 4.7's. So whats the differance?
I have a 2004 Ram 4.7 and the "stock" PN# for Autolite is 5224. I've seen alot of people on here have been Autolite 3923's in thier 4.7's. So whats the differance?